YOU SAID:

the table has a pencil on it

INTO JAPANESE

テーブルには鉛筆が置かれている

BACK INTO ENGLISH

the table is filled with pencils

INTO JAPANESE

テーブルは鉛筆でいっぱいになっている

BACK INTO ENGLISH

the table is full of pencils

INTO JAPANESE

テーブルは鉛筆でいっぱいだ

BACK INTO ENGLISH

The table is full of pencils.

INTO JAPANESE

そのテーブルは鉛筆でいっぱいだ。

BACK INTO ENGLISH

The table is full of pencils.